\\[-1.8ex] \multirow[t]{2}{*}{\makecell[l]{Post Migration  $\times$ \\ \quad Soil Heterogeneity}} & $-$2.167$^{***}$ & $-$2.817$^{***}$ & $-$1.016 \\ 
  & (0.664) & (0.703) & (1.103) \\ 
  & & & \\ 
